Alexander Aigner
![Aigner in discussion (1970).](https://upload.wikimedia.org/wikipedia/commons/b/ba/Alexander_Aigner.jpg)
1
Published: [2018]
Superior document: Title is part of eBook package: De Gruyter DGBA Mathematics - <1990
2
Published: 1985
Superior document: Publikationen aus dem Archiv der Universität Graz 15